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Tag: security

Encryption

9 Best Free and Open Source Linux Disk Encryption Tools

July 3, 2025 Steve Emms Internet, Roundup, System Software

Keep your data safe. There are many different useful tools that offer disk encryption. We recommend the best free and open source solutions.

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Password Managers

15 Best Free and Open Source Linux GUI Password Managers

July 2, 2025 Steve Emms Roundup, Utilities

A password manager is a utility which helps users store and retrieve passwords and other data. Here’s our open source recommendations.

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Vulnerability Detection

12 Best Free and Open Source Vulnerability Detection Tools

February 24, 2025 Steve Emms Roundup, Security

Vulnerability scanning is an essential activity for enterprise security. We recommend the best free and open source vulnerability detection tools.

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USB

USBGuard – framework for implementing USB device authorization policies

January 27, 2025 Steve Emms CLI, Security

The USBGuard software framework helps to protect your computer against rogue USB devices (a.k.a. BadUSB).

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Network Security

9 Best Free and Open Source Linux Terminal-Based Port Scanners

January 24, 2025 Steve Emms CLI, Internet, Roundup, Security, System Software

Linux has a good range of port scanners that help administrators identify and rectify weaknesses in a system.

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Security

Nosey Parker – find secrets in textual data

November 19, 2024 Steve Emms CLI, Security

Nosey Parker is a command-line program that finds secrets and sensitive information in textual data and Git history.

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Security

12 Best Free and Open Source Firewall Tools

November 3, 2024 Steve Emms Roundup, Security, System Software

We recommend free and open source firewall tools.

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Reader Seeks Help On Securing Their Notebooks

September 8, 2024 Lee Walker Stories

Please share your thoughts on how best the reader can secure his notebooks.

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Security

5 Best Open Source Firewall Distributions

June 11, 2024 Steve Emms Distro, Roundup, Security, System Software

Security is paramount. Security involves defense in depth. Approaching security one step at a time, with consistency and rigour, you can mitigate threats.

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Intrusion Detection

9 Best Free and Open Source Host-Based Intrusion Detection Systems

June 8, 2024 Steve Emms Roundup, Security

An intrusion detection system is a device or software application that monitors a network or systems for malicious activity or policy violations.

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